/*
 * Copyright (c) 2016, NVIDIA CORPORATION. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * * Redistributions of source code must retain the above copyright
 *   notice, this list of conditions and the following disclaimer.
 * * Redistributions in binary form must reproduce the above copyright
 *   notice, this list of conditions and the following disclaimer in the
 *   documentation and/or other materials provided with the distribution.
 * * Neither the name of NVIDIA CORPORATION nor the names of its
 *   contributors may be used to endorse or promote products derived
 *   from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#include <fstream>
#include <string>
#include <iostream>
#include <sstream>

// Replaces non-alphanumeric characters with '_' and
//   prepends '_' if the string begins with a digit.
std::string sanitize_varname(std::string const& s) {
	std::string r = s;
	if( std::isdigit(r[0]) ) {
		r = '_' + r;
	}
	for( std::string::iterator it=r.begin(); it!=r.end(); ++it ) {
		if( !std::isalnum(*it) ) {
			*it = '_';
		}
	}
	return r;
}
// Replaces " with \"
std::string sanitize_string_literal(std::string const& s) {
	std::stringstream ss;
	for( std::string::const_iterator it=s.begin(); it!=s.end(); ++it ) {
		if( *it == '"' || *it == '\\' ) {
			ss << '\\';
		}
		ss << *it;
	}
	return ss.str();
}

int main(int argc, char *argv[]) {
	char* filename = argv[1];
	std::ifstream istream(filename);
	std::ostream& ostream = std::cout;
	std::string line;
	ostream << "static const char* " << sanitize_varname(filename) << " =";
	while( std::getline(istream, line) ) {
		ostream << "\"" << sanitize_string_literal(line) << "\\n\"" << std::endl;
	}
	ostream << ";" << std::endl;
	return 0;
}

